Non-electrically triggered hydrogen safety protection device and hydrogen transport container containing the same

By designing a non-electrically triggered hydrogen safety protection device, the explosion outlet is automatically opened with thermally sensitive safety components and catalysts, and linked with the emergency fire extinguishing device and ventilation structure, the problem that existing containers cannot meet the safety needs of hydrogen-related environments is solved, and high reliability and low-risk hydrogen transportation is achieved.

CN119018508BActive Publication Date: 2025-03-28TONGJI UNIV
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Patent Information

Application Number
CN202411514063.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-03-28
Estimated Expiration
2044-10-29

AI Technical Summary

Technical Problem

The existing hydrogen transportation containers lack effective ventilation design and explosion relief facilities, which cannot meet the safety needs of hydrogen-related environments, and the electrical control system is at risk of being unable to call and deal with it in time when the power is broken or power is cut off.

Method used

A non-electrically triggered hydrogen safety protection device is designed, using a combination of thermally sensitive safety structural parts and catalysts, and the explosion outlet is automatically opened through catalytic combustion reactions, and is linked with the emergency fire extinguishing device and ventilation structure to achieve rapid dilution and exhaust hydrogen.

Benefits of technology

It realizes automatic control of opening and closing of the explosion outlet without power, improves the reliability of safety protection, reduces the risk of accidents, and minimizes the probability of accidents by rapidly diluting and evacuating hydrogen.

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Abstract

The present invention provides a non-electrically triggered hydrogen safety protection device and a hydrogen transport container containing the same. Through the non-electrically triggered hydrogen safety protection device, hydrogen leakage safety accidents can be quickly and slowly released; by setting an emergency fire extinguishing device and / or ventilation structure linked with the non-electrically triggered hydrogen safety protection device, emergency fire extinguishing can be carried out, and leaked hydrogen can be efficiently and quickly diluted, finally realizing the batch safe transportation of hydrogen storage vehicles. The non-electrically triggered hydrogen safety protection device serves as a locking member of the explosion vent, including a protective cover, a catalyst, a thermal safety structural member and a lock; the thermal safety structural member is a wire structural member made of a low melting point alloy; the lock is fixedly connected to the thermal safety structural member and locks the explosion vent; the protective cover is a container for holding the catalyst, which is mounted on the outer surface of the thermal safety structural member; a plurality of holes are designed on the wall of the protective cover to facilitate hydrogen to enter and contact the catalyst.
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